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    qurious's Avatar
    qurious Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Aug 5, 2009, 05:34 AM
    Pool Heat Pump Wiring
    I recently received a pool heat pump unit. It requires a 50 amp circuit which I have run.
    The controller in the unit has only two connect lugs, L1 & L2 and a ground lug. No isolated
    Neutral. Why doesn't this unit require to be ground fault protected?
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #2

    Aug 5, 2009, 05:41 AM
    Quote Originally Posted by qurious View Post
    The controller in the unit has only two connect lugs, L1 & L2 and a ground lug. No isolated
    neutral. Why doesn't this unit require to be ground fault protected?
    There is no neutral because there is no neutral. A straight 240v circuit does not use or require a neutral.

    I bet it DOES require GFI protection. What do the instructions say?
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